Issue 5, 2022

Pulsed-ramped-field-ionization zero-kinetic-energy photoelectron spectroscopy: a methodological advance

Abstract

A new experimental method has been developed to record photoelectron spectra based on the well-established pulsed-field-ionization zero-kinetic-energy photoelectron spectroscopy technique and inspired by the data treatment employed in slow photoelectron spectroscopy. This method has been successfully applied to two well-known systems: the X+2Πg,1/2(v+ = 0) ← X1Σ+g(v = 0) and the X+1Σ+(v+ = 2) ← X2Π1/2(v = 0) ionizing transitions of CO2 and NO, respectively. The first results highlight several advantages of our technique such as an improved signal-to-noise ratio without degrading the spectral resolution and a direct field-free energy determination. The data obtained for NO indicate that this method might be useful for studying field-induced autoionization processes.

Graphical abstract: Pulsed-ramped-field-ionization zero-kinetic-energy photoelectron spectroscopy: a methodological advance

Article information

Article type
Paper
Submitted
05 okt 2021
Accepted
28 okt 2021
First published
28 okt 2021

Phys. Chem. Chem. Phys., 2022,24, 2777-2784

Pulsed-ramped-field-ionization zero-kinetic-energy photoelectron spectroscopy: a methodological advance

O. J. Harper, N. L. Chen, S. Boyé-Péronne and B. Gans, Phys. Chem. Chem. Phys., 2022, 24, 2777 DOI: 10.1039/D1CP04569E

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